2020406465

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{1009}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 3083909760

約数和(自身を除く): 1063503295

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 743, 1009, 2695, 3715, 5045, 5201, 7063, 8173, 11099, 26005, 35315, 36407, 40865, 49441, 55495, 57211, 77693, 182035, 247205, 286055, 388465, 400477, 543851, 749687, 2002385, 2719255, 3748435, 5247809, 8246557, 26239045, 36734663, 41232785, 57725899, 183673315, 288629495, 404081293, 2020406465]

約数ペア:

[(1, 2020406465), (5, 404081293), (7, 288629495), (11, 183673315), (35, 57725899), (49, 41232785), (55, 36734663), (77, 26239045), (245, 8246557), (385, 5247809), (539, 3748435), (743, 2719255), (1009, 2002385), (2695, 749687), (3715, 543851), (5045, 400477), (5201, 388465), (7063, 286055), (8173, 247205), (11099, 182035), (26005, 77693), (35315, 57211), (36407, 55495), (40865, 49441)]